7. An unchanged antipsychotic medication regimen for at least eight (8) weeks prior to screening into the study and expected to remain unchanged during the study (longer for depot or long-acting antipsychotics: ten (10) months for Aripiprazole and Paliperidone; six (6) months for Olanzapine pamoate monohydrate; and at least 6 times duration of the reported half life or minimum four (4) months for other depot or long-acting antipsychotics)